Comscore Reports July 2011 U.S. Mobile Subscriber Market Share

More than 80 Million Americans Now Own Smartphones

RESTON, VA, August 30, 2011 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the Comscore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending July 2011. The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 25.5 percent market share. Google Android continued to gain ground in the smartphone market reaching 41.8 percent market share.

OEM Market ShareFor the three month average period ending in July, 234 million Americans ages 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM with 25.5 percent of U.S. mobile subscribers (up 1.0 percentage points), followed by LG with 20.9 percent share and Motorola with 14.1 percent share. Apple strengthened its position at #4 with 9.5 percent share of mobile subscribers (up 1.2 percentage points), while RIM rounded out the top five with 7.6 percent share.

Smartphone Platform Market Share82.2 million people in the U.S. owned smartphones during the three months ending in July 2011, up 10 percent from the preceding three month period. Google Android ranked as the top smartphone platform with 41.8 percent market share, up 5.4 percentage points. Apple strengthened its #2 position with 27.0 percent of the smartphone market, up 1.0 percentage points from the prior reporting period. RIM ranked third with 21.7 percent share, followed by Microsoft (5.7 percent) and Symbian (1.9 percent).

About MobiLensMobiLens data is derived from an intelligent online survey of a nationally representative sample of mobile subscribers age 13 and above. Data on mobile phone usage refers to a respondent’s primary mobile phone and does not include data related to a respondent’s secondary device.

About ComscoreComscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital business analytics. For more information, please visit www.comscore.com/companyinfo.